Pollution by the Prestige and the Erika : two crises with different stakes. The oil slick of the Prestige occurred the long of galician's coasts, two years after the wrek of Erika, allows to compare the two crisis situations. For the Erika, it was necessary to clean quikly, to preserve the tourism season. For the Prestige it is the fishery and the preservation of this activity who appear more important. The present article shows that a well cleaning is not sufficient, it is necessary to integrate the socio-economic dimension.La marée noire du Prestige, survenue le long des côtes galiciennes près de deux ans après le naufrage de l'Erika, permet de comparer les deux situations de crise pour des zones côtières différenciées. Pour l'Erika, il f...